US3753389A - Battery contact wiper for cameras - Google Patents

Battery contact wiper for cameras Download PDF

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Publication number
US3753389A
US3753389A US00231175A US3753389DA US3753389A US 3753389 A US3753389 A US 3753389A US 00231175 A US00231175 A US 00231175A US 3753389D A US3753389D A US 3753389DA US 3753389 A US3753389 A US 3753389A
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US
United States
Prior art keywords
battery
cavity
door
housing
camera
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00231175A
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English (en)
Inventor
D Monks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of US3753389A publication Critical patent/US3753389A/en
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0442—Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like

Definitions

  • ABSTRACT A camera housing defines a cavity for receiving a battery, and a door is movable between open and closed positions to provide access to the cavity. A pair of electrical contacts engage the battery, and a projection on the door moves a received battery relative to the contacts in response to movement of the door between its open and closed positions so as to provide rubbing engagement between the contacts and the battery.
  • This invention relates to battery receiving mechanisms, and more specifically to a device for cleaning the contacts of a battery of leads in the mechanism.
  • a preferred embodiment of the present invention includes a camera having a housing which defines a battery receiving cavity and a door movable relative to the housing between open and closed positions to provide access to the cavity.
  • a pair of contacts connected to an electrical circuit engage the battery in the cavity.
  • a projection on the camera door engages the battery as the door is closed to move the battery relative to the contacts and against the force of a spring to provide rubbing engagement between the contacts and the battery to keep the contacts clean.
  • FIG. I is a perspective view of a portion of a camera embodying the present invention and showing a film compartment door in its open position with a battery in place;
  • FIG. 2 is a sectional view of the camera portion shown in FIG. 1 taken along line 2-2 of FIG. 1 and showing the movement of the battery as the camera door is closed.
  • a camera 10 includes a housing 12 which defines a film compartment 14 and a battery compartment 16.
  • the film and battery compartments are closed by a single cover or door 18 which is connected to housing 12 by a hinge, not shown.
  • One of a pair of latch members (only one of which is shown and referred to by numeral 20) which are controlled by a single linkage 22 cooperates with a tab 24 to latch the door in its closed position.
  • Battery compartment 16 has an entrance aperture and a rib 26 extending into the cavity adjacent the aperture.
  • An electrical contact 28 in the form of a leaf spring is connected to an electrical lead 30 and another contact 32 is connected to another lead '34. Leads 30 and 34 are connected to an electrical load in the camera such as an exposure control device.
  • a leaf spring 36 is mounted in the base of the cavity.
  • An electrical battery holder 38 which may be of the type disclosed in aforementioned U.S. Pat. application Ser. No. 76,836, ispushed into the cavity against leaf spring 36.0nce in the cavity, holder 38 is moved laterally (upwardly as viewed in FIG. 2) until a groove 40 in the battery holder aligns with rib 26. When the holder is now released, spring 36 will move holder 38 rearwardly so that rib 26 enters groove 40 to lock the holder in place. Electrical contacts 28 and 32 now engage negative contact 42 and positive contact 44 of the battery holder, respectively.
  • holder 38 To remove holder 38, the foregoing operation is reversed. That is, holder is moved against spring 36 until rib 26 is clear of slot 40. The holder is then moved downwardly as viewed in FIG. 2, and spring 36 moves a holder sufficiently out of the cavity for the operator to grasp the holder.
  • a pin or projection 46 has been provided on door 18 so as to engage battery holder 38 as the door is closed and to move the holder from its full line position in FIG. 2 to its phantom line position against the force of spring 36. Such movement'causes relative movement between battery contacts 42 and 44 and camera leads 28 and 32, respectively, so as to provide rubbing engagement between the contacts and the leads, cleaning all four surfaces. This cleaning action may be aided by roughening the ends of contacts 28 and 32 if desired.
  • the end of projection 46 has been tapered or bevelled to keep the battery holder pushedupwardly as viewed in FIG. 2 to prevent accidental ejection of the battery by downward movement as the camera door is opened.
  • Movement of the battery holder relative to the camera contacts each time the camera door is opened or closed provides for cleaning of the respective contacts upon changing a film roll or battery.
  • the battery door may be separate from the film compartment door so that a battery may be replaced without risking film fogging. However, this would not produce a contact-cleaning movement of the battery when an exposed film roll is removed from the camera and when a fresh roll of film is substituted.
  • similar methods for moving the battery holder when the film compartment door is opened in cameras having separate battery and film doors are similar methods for moving the battery holder when the film compartment door is opened in cameras having separate battery and film doors.
  • a camera comprising:
  • a housing having means for defining (l) a first cavity for receiving a film roll and (2) a second cavity for receiving a battery;
  • a door movable relative to said housing between open and closed positions to provide access to said first and second cavities
  • a camera including a housing which defines a cavity for receiving a battery holder of the type having 1) an elongated configuration. (2) a first portion with an external electrical contact of one polarity thereat. (3)
  • said camera comprising:
  • a set of resilient contacts on said housing and extending into said cavity .for electrically engaging the battery holder contacts to put an electrical load across the batteries and for cooperating with said rib for supporting said battery holder in the camera;
  • a door movable relative to said housing between open and closed positions to provide access to said cavity
  • a camera for receiving an elongated battery holder having (1) a first end wall normal to the elongated dimension of the holder, (2) a second, tapered end wall opposite said first end wall, and (3) wall means defining a groove on the first end wall, said wall means forming an abutment surface parallel to said elongated dimension; said camera comprising wall means defining l) a cavity having an elongated dimension greater than the elongated dimension of the battery holder and (2) an opening through said camera wall means through which a holder may be inserted into said cavity with the elongated dimension of the battery holder parallel to the elongated dimension of the cavity;
  • a door movable between open and closed positions to provide access to said cavity
  • a camera as defined in claim 3 further comprising a rib on said camera wall means adjacent said opening and extending into said cavity for entering into the groove of a received battery holder, said rib having a surface facing away from said opening and toward the abutment surface of a received battery holder to block movement of the first end wall of the battery holder toward said opening.
  • a camera having a housing which defines a first cavity for receiving at least one battery and a second cavity for receiving roll film, a door movable relative to said housing between open and closed positions to provide access to at least said second cavity, an electrical circuit, and a contact for engaging said battery to connect said battery to said circuit; the improvement com prising means for moving said battery relative to said contact in response to movement of said door between its open and closed positions so as to provide rubbing engagement between said contact and a received battery.
  • a camera comprising:
  • a housing having means for defining (l) a cavity for receiving at least one battery (2) an opening through which such a battery may be inserted into said cavity. and (3) a door movable relative to said housing between open and closed positions to respectively uncover and cover said opening, said cavity being dimensioned to permit movement of a received battery in said cavity;
  • a camera comprising:
  • a housing having means for defining (l) a cavity for receiving at least one battery and (2) an opening through which such a battery may be inserted into said cavity, said cavity being dimensioned to permit movement of a received battery in said cavity;
  • a door movable relative to said housing between open and closed positions to respectivelyuncover and cover said opening;
  • said moving means comprising (1) resilient means in said cavity for urging said battery to its first positions and (2) abutment means on said door for moving said battery from its first position to its second position as said door is moved to its closed position.
US00231175A 1972-03-02 1972-03-02 Battery contact wiper for cameras Expired - Lifetime US3753389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23117572A 1972-03-02 1972-03-02

Publications (1)

Publication Number Publication Date
US3753389A true US3753389A (en) 1973-08-21

Family

ID=22868052

Family Applications (1)

Application Number Title Priority Date Filing Date
US00231175A Expired - Lifetime US3753389A (en) 1972-03-02 1972-03-02 Battery contact wiper for cameras

Country Status (8)

Country Link
US (1) US3753389A (xx)
JP (1) JPS48101921A (xx)
DE (1) DE7307905U (xx)
ES (1) ES189231Y (xx)
FR (1) FR2174638A5 (xx)
GB (1) GB1420848A (xx)
HK (1) HK68576A (xx)
MY (1) MY7600272A (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943537A (en) * 1974-07-10 1976-03-09 Balda-Werke Locking means for camera
US4008356A (en) * 1974-11-01 1977-02-15 Fuji Photo Optical Co., Ltd. Cell retaining casing for photographic cameras
US5287013A (en) * 1992-02-03 1994-02-15 Motorola, Inc. Battery compartment safety interlock
US6198881B1 (en) 1999-10-05 2001-03-06 Eastman Kodak Company Loading methods for camera frame assemblies subject to static charging during film scrolling
US6266491B1 (en) 1999-10-05 2001-07-24 Eastman Kodak Company Camera frame assembly having standby battery station
US6327441B1 (en) 2000-03-24 2001-12-04 Eastman Kodak Company Camera with battery holder cover for film compartment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210699B (en) * 1987-10-05 1991-10-23 Fuji Photo Film Co Ltd Lens-fitted photographic film unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1160519A (en) * 1915-01-21 1915-11-16 Anker S Lyhne Case for pocket flash-lights.
US3537909A (en) * 1968-01-11 1970-11-03 Eastman Kodak Co Battery holder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1160519A (en) * 1915-01-21 1915-11-16 Anker S Lyhne Case for pocket flash-lights.
US3537909A (en) * 1968-01-11 1970-11-03 Eastman Kodak Co Battery holder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943537A (en) * 1974-07-10 1976-03-09 Balda-Werke Locking means for camera
US4008356A (en) * 1974-11-01 1977-02-15 Fuji Photo Optical Co., Ltd. Cell retaining casing for photographic cameras
US5287013A (en) * 1992-02-03 1994-02-15 Motorola, Inc. Battery compartment safety interlock
US6198881B1 (en) 1999-10-05 2001-03-06 Eastman Kodak Company Loading methods for camera frame assemblies subject to static charging during film scrolling
US6266491B1 (en) 1999-10-05 2001-07-24 Eastman Kodak Company Camera frame assembly having standby battery station
US6327441B1 (en) 2000-03-24 2001-12-04 Eastman Kodak Company Camera with battery holder cover for film compartment

Also Published As

Publication number Publication date
DE7307905U (de) 1973-06-07
ES189231Y (es) 1974-10-01
HK68576A (en) 1976-11-12
JPS48101921A (xx) 1973-12-21
MY7600272A (en) 1976-12-31
ES189231U (es) 1974-03-01
FR2174638A5 (xx) 1973-10-12
GB1420848A (en) 1976-01-14

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